DMRC Mechanical Engineering Paper-1 2016

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The questions are based on the following information.Out of the total 390 students studying in a college of Arts and Science, boys and girls are in the ratio of 7:6 respectively and the number of students studying Arts and Science are in the ratio of 3:7 respectively. The boys and girls studying Arts are in the ratio of 4:5 respectively.

For the following questions answer them individually
DMRC Mechanical Engineering Paper-1 2016 - Question 3

“SAWEN” is a regional international government body:

DMRC Mechanical Engineering Paper-1 2016 - Question 5

India’s first indigenous rotavirus vaccine named rotavac:

DMRC Mechanical Engineering Paper-1 2016 - Question 8

In the following question is followed by two statements I and II. Select the choice as follows
If I alone is sufficient to answer the question
If II alone is sufficient to answer the question
If I and II are both required to answer the question
If both I and II are insufficient to answer the question and more data is required


Can Mohan be considered a successful mountaineer:
I. Mohan has taken part in seven mountaineering expeditions in the last ten years
II. The norm for a mountaineer to be considered successful is being a member of expeditions 4 to 5 times in fifteen years

DMRC Mechanical Engineering Paper-1 2016 - Question 9

The following are the statistics of some matches of a cricket team bowlers and the wickets taken. A, B, C & D are the fast bowlers of the team

Screenshot_8

If the inter-se wicket taking ratio between bowler groups remains the same and the run out are limited to 2 only, how many more wickets would spinners take, based on the original presumption that spinners took 15 wickets earlier:

DMRC Mechanical Engineering Paper-1 2016 - Question 13

Two equal glasses filled with alchohol & water in the proportion 2:1 and 3:2 are emptied into a third glass. The proportion of alchohol and water in the third glass will be?

DMRC Mechanical Engineering Paper-1 2016 - Question 14

Study the information given in this question to answer them
Number of the voters registered and voted from different constituency.

Q14

Which constituency had the lowest percentage of polling:

Answer the questions on the basis of information given below?
A tournament is organized among five teams Ahmadabad, Bombay, Calcutta, Delhi and England. This is a round robin league tournament where each team has to play every other team exactly once. For any team, three points are awarded for a win, one point for a draw and no The following table is incomplete even after the end of the tournament.


W = Number of matches won
L = Number of matches lost
D = Number of matches drawn
P = Total Points

For the following questions answer them individually
DMRC Mechanical Engineering Paper-1 2016 - Question 21

S is the mid-point of the side QR of the triangle PQR and T is the mid point of QS. If O is the mid point of PT, then area of Δ QOT is equal to:

DMRC Mechanical Engineering Paper-1 2016 - Question 22

The positive square root of $$(\sqrt{48}-\sqrt{45})$$ is

DMRC Mechanical Engineering Paper-1 2016 - Question 27

Creation of MUDRA bank was proposed in the recent budget proposal of the Government of India. MUDRA stands for:

DMRC Mechanical Engineering Paper-1 2016 - Question 30

A metallic sphere is melted and is cast into a solid cylinder. If the radius of the base of the cylinder is equal to the radius of the sphere, then the ratio of the surface area of the sphere to the total surface area of the cylinder is?

DMRC Mechanical Engineering Paper-1 2016 - Question 31

The total cost price of two items is Rs. 10,200/- and their selling prices are equal. If one of the two items is sold at a loss of 12% and another is sold at a loss of 18%, then the cost price of the item which is sold at a loss of 18% is:

DMRC Mechanical Engineering Paper-1 2016 - Question 32

A petrol tank at a filling station has a capacity of 400 litres. The attendant sells 40 litres of petrol from the tank to one customer and then replenishes it with kerosene oil. This process is repeated with six customers. What quantity of pure petrol will the seventh customer get when he purchases 40 litres of petrol?

DMRC Mechanical Engineering Paper-1 2016 - Question 33

A and B are two alloys of gold and copper prepared by mixing metals in the ratios 5:3 and 5:11 respectively. Equal quantities of these alloys are melted to form a thirdalloy C. The ratio of gold and copper in the alloy C is:

DMRC Mechanical Engineering Paper-1 2016 - Question 34

The formula for the number of diagonals in a polygon of n sides is d=$$\frac{1}{2}[n(n-3)]$$. If the number of diagonals in a polygon is twice as many as the number of sides,what is the number of sides:

DMRC Mechanical Engineering Paper-1 2016 - Question 36

Which one of the following statements correctly describes the Fourth Schedule of the constitution of India?

DMRC Mechanical Engineering Paper-1 2016 - Question 37

In the following question two statements are followed by two possible inferences. Point out which of the following inferences. Point out which of the following answer choice applies. Assume statements to be correct even if they very from facts.
A:Only inference I follows
B:Only inference II follows
C:Both inferences I and II follow
D:Neither inferences I nor II follow


All fish are tortoise, no tortoise is a crocodile:
I.No crocodile is a fish
II.No fish is a crocodile

DMRC Mechanical Engineering Paper-1 2016 - Question 40

In the following question a number series is given. After the series a number is given followed by (a), (b), (c), (d) and (e). You have to complete the series starting with the number given following the sequence of the given series and answer the question given below the series.


6 10 7 12 8 14
4 (a) (b) (c) (d) (e)

DMRC Mechanical Engineering Paper-1 2016 - Question 42

Five girls are sitting on a bench to be photographed. Sejal is to the left of Rashmi to the right of Binni. Mamta is to the left of Rashmi. Ragini is between Rashmiand Mamta. Who is sitting immediately right to Ragini?

DMRC Mechanical Engineering Paper-1 2016 - Question 43

Amar can complete a work in 3 days, Bobby in 4 days and Cheenu in 5 days. If they complete the same work together and get Rs. 14,100/- as remuneration, then the share of Cheenu in rupees will be:

DMRC Mechanical Engineering Paper-1 2016 - Question 44

The work done by a woman in 8 hours is equal to the work done by a man in 6 hours and by a boy in 12 hours. If working 6 hours per day 9 men can complete a work in 6 days, then how many days can 12 men, 12 women and 12 boys together finish the same work working 8 hours per day?

DMRC Mechanical Engineering Paper-1 2016 - Question 47

Concurrent force system is the system when:

DMRC Mechanical Engineering Paper-1 2016 - Question 48

A couple is formed when:

DMRC Mechanical Engineering Paper-1 2016 - Question 54

A wooden block rests on a horizontal force as shown in figure. The force (P) acting on it at an angle of $$25^\circ$$ with horizontal. Assume the mass of block to be 8 Kg and coefficient of friction is 0.45


The force (P) is:

DMRC Mechanical Engineering Paper-1 2016 - Question 56

Consider two rods A, B of the same material and subjected to equal axial load. The rod A is of uniform cross-section with diameter d, and the rod B taper uniformly from diameter d at one end to diameter d/2 at other end. The ratio of elongation of rod A to elongation of rod B will be:

DMRC Mechanical Engineering Paper-1 2016 - Question 61

In order to have interference fit, it is essential that the lower limit of the shaft should be:

DMRC Mechanical Engineering Paper-1 2016 - Question 62

A steel plate of thermal conductivity 50 W/mK and thickness 10 cm passes a heat flux by conduction of 25 KW/m2. If the temperature of hot surface of the plate is
100°C, then what is the temperature of cooler surface of the plate?

DMRC Mechanical Engineering Paper-1 2016 - Question 67

An orthogonal cutting operation is being carried out under the following conditions Cutting speed (V)=2m/s, depth of cut=0.5 mm, chip thickness=0.6 mm .Then chip velocity is:

DMRC Mechanical Engineering Paper-1 2016 - Question 68

The rake angle of a cutting tool is 15°, the shear angle is 45° and the cutting velocity is 35 m/min. What is the velocity of chip along the tool face?

DMRC Mechanical Engineering Paper-1 2016 - Question 70

A tank containing air is stirred by a paddle wheel. The work input to the paddle wheel is 9000 KJ and heat transferred to the surroundings from the tank is 3000 KJ. The
external work done by the system is:

DMRC Mechanical Engineering Paper-1 2016 - Question 72

A heat engine is supplied with 280 KJ/s of heat at a constant fixed temperature of 520 K and heat rejection takes place at 260 K temperature. If the engine is
reversible, the heat rejected would be approximately equal to:

DMRC Mechanical Engineering Paper-1 2016 - Question 73

An engine operate between temperature limits of 900 K and T2, and an other engine operates between T2 and 400 K. For both engines to be equally efficient, T2 should be equal to:

DMRC Mechanical Engineering Paper-1 2016 - Question 74

Two car A and B moves at 54 Km/hr in the same direction and the car B is 300 m a head of car A. If the car A is accelerated at 6m/s2 while car B continue to move with the same velocity, calculate the time taken by car A to overtake car B:

DMRC Mechanical Engineering Paper-1 2016 - Question 77

A simply supported beam of span l and carrying uniform distributed load w per unit length, then maximum bending moment is given by:

DMRC Mechanical Engineering Paper-1 2016 - Question 85

A body moves with a speed of 10 m/s in the curved path of 25 m radius of curvature. If the tangential acceleration is 3 m/$$s^2$$, then total acceleration for the body will be:

DMRC Mechanical Engineering Paper-1 2016 - Question 88

Polar moment of inertia of a hollow shaft having D and d as outer and inner diameters, is given by:

DMRC Mechanical Engineering Paper-1 2016 - Question 89

Two shafts whose axes are not in the same straight line and are not parallel but intersect each other. Which of the following couplings can be used for this type of shafts?

DMRC Mechanical Engineering Paper-1 2016 - Question 90

Two shafts whose axes are not in the same straight line and are not parallel but intersect each other. Which of the following couplings can be used for this type of shafts?

DMRC Mechanical Engineering Paper-1 2016 - Question 92

The ‘Crowning’ of the flat pulley is generally done:

DMRC Mechanical Engineering Paper-1 2016 - Question 96

A belt pulley of 200 mm diameter such that the ratio of tension in tight side and slack side is 1.2. The maximum tension in the belt not to exceed 240 kN. Speed of the pulley is 60 rpm. Find the safe power that can be transmitted by the pulley:

DMRC Mechanical Engineering Paper-1 2016 - Question 97

The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This is known as:

DMRC Mechanical Engineering Paper-1 2016 - Question 111

On a ladder resting on a smooth ground and leaning against vertical wall, the force of friction will be:

DMRC Mechanical Engineering Paper-1 2016 - Question 112

For a given steam temperature of $$850^\circ$$ C and vacuum of 0.1 kg/$$cm^2$$ absolute, the Rankine cycle efficiency will be maximum when steam pressure is:

DMRC Mechanical Engineering Paper-1 2016 - Question 113

In a two-fluid heat exchanger, the inlet and outlet temperature of the hot fluid are 65°C and 40°C respectively. For the cold fluid, these are 15°C and 42°C. The heat exchanger is a:

DMRC Mechanical Engineering Paper-1 2016 - Question 114

The conditions for the stable equilibrium of a floating body are:

DMRC Mechanical Engineering Paper-1 2016 - Question 116

If a ball which is dropped from a height of 2.25 m on a smooth floor attains the height of bounce equal to 1.00 m, the coefficient of the restitution between the ball and the floor is equal to:

DMRC Mechanical Engineering Paper-1 2016 - Question 117

A spherical vessel with an inside diameter of 2 m is made of material having an allowable stress in tension of 500 kg/$$cm^2$$. The thickness of a shell to withstand a
pressure of 25 kg/$$cm^2$$ should be:

DMRC Mechanical Engineering Paper-1 2016 - Question 118

Choose the correct statement:

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